Waterproof joint for connecting LED (light-emitting diode) light bars
By designing a waterproof joint for LED light strip connection, using the combination of locking nuts, connecting pipes, tightening rings and compressible tape layers, the problem of insufficient waterproofness when used underwater is solved, and efficient and convenient underwater LED light strip connection is achieved.
Patent Information
- Application Number
- CN202420322153.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-21
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-02-21
AI Technical Summary
The existing LED light strip connection structure lacks sufficient waterproof performance when used underwater, and the glue filling and sealing operation is cumbersome and the working efficiency is low.
A waterproof joint for connecting LED light strips is designed, including a first connection end, a second connection end and a central connection plate. Through the combination of locking nuts, connecting pipes, tightening rings and compressible tape layers, a watertight sealing and convenient connection structure are realized.
It realizes good waterproof performance of the LED light strip connection structure, and is suitable for the connection of underwater LED light strips, simplifies the operation process and improves work efficiency.
Smart Images

Figure CN222651312U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lamp accessories, in particular to a waterproof joint for connecting LED light strips. Background Art
[0002] LED light strips are a commonly used photo device, widely used in indoor lighting. With the expansion of usage scenarios, LED light strips are also used for underwater effect lights in the fields of landscape and water features. During the installation process, it is inevitable that the LED light strips need to be connected. Although the commonly used connection structures currently have a certain degree of waterproofness, most of them cannot be used in water immersion scenes. Glue sealing can also be used, but the glue sealing operation is more cumbersome during on-site construction and the work efficiency is low. Utility Model Content
[0003] The utility model aims to provide a waterproof connector for connecting LED light strips to solve the problems existing in the prior art.
[0004] In order to achieve the above-mentioned purpose, the technical solution of the utility model provides a waterproof joint for connecting LED light strips, including a first connecting end, a second connecting end, and a central connecting plate; the first connecting end includes a locking nut and a first connecting tube, and the second connecting end includes a locking nut, a second connecting tube, and a tightening ring; the first connecting tube and the second connecting tube are provided with an inner hole matching the LED light strip on one side, and a watertight seal is achieved by tightening the locking nut with the outer side surface of the side; the central connecting plate is provided with a connecting conductor rod, which is located between the first connecting end and the second connecting end, and the tightening ring is watertightly connected to the opposite ends of the first connecting end and the second connecting end through a threaded structure.
[0005] Furthermore, the inner holes of the first connecting tube and the second connecting tube that cooperate with the LED light strip are square holes, and a plurality of slots parallel to the axis are arranged on the side walls of the square hole area; the outer sides of the first connecting tube and the second connecting tube in the square hole area are provided with waterproof covers.
[0006] Furthermore, a groove is provided on the side surface of the other end of the first connecting pipe, and the outer diameter of the groove is the same as the outer diameter of the central connecting plate, and the central connecting plate can be placed in the groove.
[0007] Furthermore, the outer diameter of the other side of the second connecting pipe is the same as the outer diameter of the central connecting plate, and can extend into the groove of the first connecting pipe.
[0008] Furthermore, a tightening ring limiting protrusion is provided on the outer side of the other side of the second connecting tube; the tightening ring is a tubular structure, and a sealing plate is provided on one side, and a through hole is provided on the sealing plate, and the inner diameter of the through hole is smaller than the outer diameter of the tightening ring limiting protrusion; the tightening ring is arranged on the other side of the second connecting tube opposite to the square hole, and the opening side passes through the second connecting tube and is tightened with the outer side surface of the first connecting tube.
[0009] Furthermore, O-ring sealing structures are provided on the outer side surface of the central connecting plate and the groove, the sealing plate and the limiting protrusion of the tightening ring, the tightening ring and the first connecting pipe, and the outer side surface of the second connecting end and the groove.
[0010] Furthermore, the waterproof joint also includes the compressible tape layer, and the compressible tape layer is arranged at the contact position between the LED light strip and the square hole area of the first connecting end and the second connecting end.
[0011] The utility model provides an LED light strip docking structure with good waterproof performance, which can be suitable for the docking of underwater LED light strips. In the specific structure, a compressible tape and a spiral tightening structure are set to achieve a watertight connection between the connecting end of the docking structure and the light strip housing, and then the connection between the two LED light strips is achieved through a threaded connection between the two connecting ends. The utility model has the advantages of convenient use and high working effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall solution of the utility model.
[0013] Figure 2 It is a partially enlarged schematic diagram of the square hole area of the utility model.
[0014] Figure 3 It is a three-dimensional schematic diagram of a connecting end on one side of the utility model. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] As attached Figure 1-3 As shown, a waterproof connector for connecting LED light strips according to the utility model comprises a first connecting end 1, a second connecting end 2, a central connecting plate 3, and a compressible tape layer 4.
[0017] The first connecting end 1 includes a locking nut M and a first connecting pipe 12. The first connecting pipe 12 is a cylindrical rod-shaped structure with a hollow interior. Figure 1 , 2 The first connecting pipe 12 shown has different outer diameters on both sides.
[0018] The inner hole on one side of the first connecting tube 12 is a square hole F, which is consistent with the contour shape and size of the LED light strip shell. A plurality of slots FO parallel to the axis are arranged on the side wall of the first connecting tube 12 in the square hole area. A thread is arranged on the outer side surface of the first connecting tube 12 in the square hole area to cooperate with the locking nut M.
[0019] Furthermore, a waterproof sleeve T is provided on the outer side of the square hole area of the first connecting pipe 12. The waterproof sleeve T has a certain thickness and compressibility, mainly to achieve water tightness after the locking nut M is tightened, and can be made of silicone or rubber.
[0020] A groove 121 is disposed on the side surface of the other end of the first connecting pipe 12 . The outer diameter of the groove 121 is the same as the outer diameter of the central connecting plate 3 . The central connecting plate 3 can be placed in the groove 121 .
[0021] The central connecting plate 3 includes a connecting plate 31 and two connecting conductor rods 32. The connecting conductor rods 32 penetrate the connecting plate 31 and have pointed portions at both ends.
[0022] The second connecting end 2 comprises a locking nut M, a second connecting pipe 22, and a tightening ring 23. The second connecting pipe 22 is a cylindrical rod-shaped structure with a hollow interior. Figure 1 The outer diameters of the two sides of the second connecting pipe 22 are different.
[0023] The inner hole on one side of the second connecting tube 22 is a square hole F, which is consistent with the outline shape and size of the LED light bar shell. The side wall of the second connecting tube 22 in the square hole area is provided with a plurality of slots F0 parallel to the axis. The outer side surface of the second connecting tube 22 in the square hole area is provided with a thread, which cooperates with the locking nut M. A waterproof cover T is provided on the outer side surface of the square hole area of the second connecting tube 22.
[0024] A plurality of raised rings F1 are arranged on the inner wall of the square hole F to enhance the clamping and water-tightness effects of the LED light strip.
[0025] The outer diameter of the other side of the second connecting pipe 22 is the same as the outer diameter of the central connecting plate 3 , and can extend into the groove 121 of the first connecting pipe 12 .
[0026] A tightening ring limiting protrusion 221 is disposed on the outer side of the other side of the second connecting pipe 22 .
[0027] The tightening ring 23 is a tubular structure, with a sealing plate 231 on one side, and a through hole on the sealing plate, the inner diameter of the through hole is smaller than the outer diameter of the tightening ring limiting protrusion 221. The tightening ring 23 is arranged on the other side of the second connecting tube 22 opposite to the square hole F, and the opening side passes through the second connecting tube 22 and is tightened with the outer side of the first connecting tube.
[0028] The other side of the first connecting tube 12 and the second connecting tube 22 is a round hole, or a square hole.
[0029] An O-ring sealing structure is provided at the connection between the first connection end 1, the second connection end 2 and the central connecting plate 3, including the outer side surface of the central connecting plate 3 and the groove 121, the sealing plate 231 and the tightening ring limiting protrusion 221, the tightening ring 23 and the first connecting tube 12, and the outer side surface of the end of the second connection end 2 and the groove 121. The O-ring sealing structure is conventional knowledge in the field.
[0030] The compressible tape layer 4 is wound around the LED light strip at the contact position with the square hole area of the first connection end 1 and the second connection end 2 .
[0031] The compressible tape layer 4 is sticky and is wrapped around the outside of the LED light bar. After the light bar is inserted into the square hole and the nut is tightened, the first connecting tube 12 and the second connecting tube 22 are watertightly connected to the LED light bar. It can be any one of polyurethane (PU) foam tape, silicone tape or rubber tape.
[0032] It should be noted that, unless otherwise clearly specified and limited, the terms such as "install", "connect", "connect", "fix", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
Claims
1. A waterproof connector for connecting LED light strips, characterized in that: It includes a first connecting end, a second connecting end, and a central connecting plate; the first connecting end includes a locking nut and a first connecting tube, and the second connecting end includes a locking nut, a second connecting tube, and a tightening ring; one side of the first connecting tube and the second connecting tube is provided with an inner hole that cooperates with the LED light strip, and a watertight seal is achieved by tightening the locking nut with the outer side surface of the side; the central connecting plate is provided with a connecting conductor rod, which is located between the first connecting end and the second connecting end, and the tightening ring is watertightly connected to the ends opposite to the first connecting end and the second connecting end through a threaded structure; the inner holes of the first connecting tube and the second connecting tube that cooperate with the LED light strip are square holes, and a number of grooves parallel to the axis are provided on the side walls of the square hole area; the outer sides of the first connecting tube and the second connecting tube in the square hole area are provided with a waterproof sleeve; the waterproof joint also includes a compressible tape layer, and the compressible tape layer is provided at the contact position between the LED light strip and the square hole area of the first connecting end and the second connecting end.
2. According to claim 1, a waterproof connector for connecting LED light strips, characterized in that: A groove is arranged on the side of the other end of the first connecting pipe, and the outer diameter of the groove is the same as the outer diameter of the central connecting plate. The central connecting plate can be placed in the groove.
3. A waterproof connector for connecting LED light strips according to claim 2, characterized in that: The outer diameter of the other side of the second connecting pipe is the same as the outer diameter of the central connecting plate, and can extend into the groove of the first connecting pipe.
4. A waterproof connector for connecting LED light strips according to claim 3, characterized in that: A tightening ring limiting protrusion is arranged on the outer side of the other side of the second connecting tube; the tightening ring is a tubular structure, and a sealing plate is arranged on one side, and a through hole is arranged on the sealing plate, and the inner diameter of the through hole is smaller than the outer diameter of the tightening ring limiting protrusion; the tightening ring is arranged on the other side of the second connecting tube opposite to the square hole, and the opening side passes through the second connecting tube and is tightened with the outer side surface of the first connecting tube.
5. A waterproof connector for connecting LED light strips according to any one of claims 1 to 4, characterized in that: O-ring sealing structures are arranged on the outer side surface of the central connecting plate and the groove, the sealing plate and the tightening ring limiting protrusion, the tightening ring and the first connecting pipe, and the outer side surface of the second connecting end and the groove.